Difference between solid-state battery and pet composite copper foil

1, safety: the safety factor of solid-state battery is low and the pollution is great, while the safety factor of pet composite copper foil is high.

2. Cost: The cost of solid-state batteries is high, and pet composite copper foil can save materials and reduce costs.

PET copper foil is a kind of composite copper foil with a "copper-polymer-copper" sandwich structure.